Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September marks a slight shift to an average high-temperature of a still moderately hot 81.7°F (27.6°C) from August's 85.6°F (29.8°C). Silver Lake records a mild decrease in temperature during the nights of September, averaging an agreeable 73°F (22.8°C).Heat index
Throughout September, the heat index is estimated at a hot 87.8°F (31°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Remember that heat index calculations are made for conditions in the shade with light wind. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In September, the average relative humidity is 76%.Rainfall
In Silver Lake, during September, the rain falls for 11.3 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Silver Lake, during the entire year, the rain falls for 122.3 days and collects up to 11.14" (283mm) of precipitation.Snowfall
In Silver Lake, snow does not fall in March through December.Daylight
In Silver Lake, North Carolina, the average length of the day in September is 12h and 22min.On the first day of September in Silver Lake, sunrise is at 6:45 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:56 pm EDT.
Sunshine
The average sunshine in September in Silver Lake, North Carolina, is 9.4h.UV index
The average daily maximum UV index in September in Silver Lake is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 6 in September transforms into the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Silver Lake?
What is the average humidity in September in Silver Lake?
How much does it rain in Silver Lake in September?
When it does not snow in Silver Lake?
What is the average length of the day in September in Silver Lake?
When are sunrise and sunset in September in Silver Lake?
How long on average sun shines in September in Silver Lake?
How high is the UV index in September in Silver Lake?
Average temperature in September
Silver Lake, NC
- Average high temperature in September: 81.7°F
The warmest months (with the highest average high temperature) are July and August (85.6°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in September: 73°F
The month with the highest average low temperature is July (77.5°F).
The coldest month (with the lowest average low temperature) is January (43.5°F).
Average pressure in September
Silver Lake, NC
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January, November and December (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Silver Lake, NC
- Average wind speed in September: 10.1mph
The windiest months (with the highest average wind speed) are February and April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in September
Silver Lake, NC
- Average humidity in September: 76%
The months with the highest relative humidity are May, June, July, August and December (77%).
The months with the lowest relative humidity are January, March, October and November (74%).
Average rainfall in September
Silver Lake, NC
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Silver Lake, NC
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is August (16 days).
The month with the least rainy days is November (6.3 days).
Average snowfall days in September
Silver Lake, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Silver Lake, NC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Silver Lake, NC
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is January (22.1 days).
The month with the least sunshine days is July (11 days).
Average UV index in September
Silver Lake, NC
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Silver Lake, NC
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in September
Silver Lake, NC
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Silver Lake, North Carolina, USA
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